Appendix A Specifications - Epson Expression 1640XL Graphic Arts User Manual

Appendix A
Specifications
Scanner
General
Scanner type
Flatbed, color
Photoelectric device
Color MatrixCCD
Effective pixels
×
19520 27520 pixels at 1600 dpi,
100% scaling
Optical density
3.6 Dmax
Color depth
42-bit internal/42-bit external
Grayscale depth
14-bit internal/14-bit external
Maximum document size
12.2 × 17.2 inches (310 × 437 mm)
A3 or Letter
(The reading area can be specified from
your software)
This appendix includes general, electrical,
environmental, and interface specifications. It also
includes specifications for the transparency unit,
automatic document feeder, and IEEE 1394
FireWire scanner interface card.
™
line sensor
Output resolution
50 dpi - 9600 dpi
50 to 4800 in 1 dpi increments
7200 and 9600 dpi with zoom
Maximum hardware resolution*
1600 dpi (main scan)
3200 dpi with Micro Step Drive
(sub scan)
*The maximum hardware resolution of
×
1600 3200 dpi is achieved using
EPSON's Micro Step Drive technology
Maximum interpolated resolution
×
12800 12800 dpi
Speed (1600 dpi, draft mode)
Color: 9.2 msec/line (approx.)
Grayscale: 3.1 msec/line (approx.)
Line Art: 3.1 msec/line (approx.)
Color separation
RGB color filters on CCD
73
Specifications